Property.h

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#pragma once

#include "swCommonLib/Common/RTTR.h"
#include <cassert>

class IEnableProperty;



class IProperty
{
protected:

    const rttr::property        m_metaInfo;
    IEnableProperty*            m_ownerObj;

public:

    IProperty( const rttr::property metaInfo, IEnableProperty* object )
        :   m_metaInfo( metaInfo )
        ,   m_ownerObj( object )
    {}

    IProperty( IEnableProperty* object )
        :   m_ownerObj( object )
    {}

    std::string     GetPropertyName()       { return m_metaInfo.get_name(); }
    rttr::type      GetPropertyType()       { return m_metaInfo.get_type(); }

    bool            IsValid()               { return m_metaInfo.is_valid() && m_ownerObj; }


protected:

    template< typename ClassType, typename ParamType >
    ParamType ClassType::*  GetMemberPointer()
    {
        return static_cast< const rttr::detail::property_wrapper_member_base< ClassType, ParamType >* >( m_metaInfo.m_wrapper )->GetPtr();
    }
};



template< typename PropertyType >
class Property  :   public IProperty
{
private:
public:

    Property( const rttr::property metaInfo, IEnableProperty* object )
        :   IProperty( metaInfo, object )
    {
        //assert( IsValid() );
    }

    Property( IEnableProperty* object )
        :   IProperty( object )
    {}

    inline PropertyType&        operator()( void )
    {
        assert( IsValid() );

        auto memberPtr = GetMemberPointer< IEnableProperty, PropertyType >();
        return m_ownerObj->*memberPtr;
    }

    inline                      operator PropertyType&()
    {
        assert( IsValid() );

        auto memberPtr = GetMemberPointer< IEnableProperty, PropertyType >();
        return m_ownerObj->*memberPtr;
    }
};